Patient lifting device

Claim 1

A CASTERED COLLAPSIBLE DEVICE FOR APPLICATION TO AND FOR THE ELEVATION AND SUPPORTING OF A PERSON FOR THERAPEUTIC TREATMENT, FOR TRANSPORTATION, OR FOR OTHER PURPOSE, SAID DEVICE COMPRISING AN INVERTED U-SHAPED FRAME INCLUDING SPACED SUPPORTING POSTS, A TOP BAR DETACHABLY CONNECTING THE UPPER END PORTIONS OF SAID POSTS IN FIXED SPACED RELATION, RELEASABLE BRACING MEANS BETWEEN SAID TOP BAR AND POSTS, A CROSS-BAR RELEASABLY CONNECTED BETWEEN SAID PAIR OF SPACED SUPPORTING POSTS IN SUBSTANTIALLY SPACED AND PARALLEL RELATION TO SAID TOP BAR, A DETACHABLE CASTER WHEELED SUPPORT FOR THE LOWER END OF EACH OF SAID POSTS, SAID CASTER WHEELED SUPPORTS BEING PARALLELLY SPACED APART AFFORDING UNOBSTRUCTED ACESS THEREBETWEEN FROM BOTH DIRECTIONS, AID WHEELED SUPPORTS INCLUDING A HORIZONTAL MEMBER OF SUBSTANTIALLY LENGTH WITH CASTER ROLLER MEANS SUPPORTING EACH END PORTION THEREOF, BRACES DETACHABLY CONNECTED TO EACH OF SAID POSTS FROM A LOCATION SPACED ABOVE SAID HORIZONTAL MEMBER AND EXTENDING ANGULARLY DOWNWARD AND CONNECTED TO EACH OUTER END PORTION OF SAID HORIZONTAL MEMBER, PULLEY MEANS MOUNTED ON THE UPPER PORTION OF SAID U-SHAPED FRAME, A LOAD SUPPORTING CABLE HAVING AN END DEPENDING FROM SAID PULLEY MEANS AT SUBSTANTIALLY THE CENTER OF SAID U-SHAPED FRAME, A BALANCED SUPPORT BAR SECURED TO THE SAID DEPENDING CABLE END, WINDLASS MEANS ON SAID U-